Capped sleeves keep the draft ... And fans adore the fit, too. "The vest hits me right below my hip bone and covers my derriere, but doesn't look too long at all," one customer wrote.

Jennifer Garner was photographed carrying two hands full of boxes from her Once Upon a Farm brand in a festive Santa ... of a long-sleeve shirt, jeans, sneakers, and a sleeveless vest.

When you're a domestic icon living on a 153-acre farm in upstate New York and tending to 150 chickens, five donkeys and an entire fruit orchard, you're not just going to wear any old jacket.